/Engine/Plugins/EnhancedInput/Source/EnhancedInput/Public/UserSettings/EnhancedInputUserSettings.h
Unmaps a single player mapping that matches the given Mapping name, slot, and hardware device.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Enhanced Input|User Settings", Meta=(AutoCreateRefTerm="FailureReason")) virtual void UnMapPlayerKey ( const [FMapPlayerKeyArgs](API\Plugins\EnhancedInput\UserSettings\FMapPlayerKeyArgs) & InArgs, [FGameplayTagContainer](API\Runtime\GameplayTags\FGameplayTagContainer) & FailureReason )